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Beautifully observed phenomenon from our friends across the pond...Have you seen the same?Crown shyness is a naturally occurring phenomenon in some tree species where the uppermost branches in a forest canopy avoid touching one another. The visual effect is striking as it creates clearly defined borders akin to cracks or rivers in the sky when viewed from below.

Although the phenomenon was first observed in the 1920s, scientists have yet to reach a consensus on what causes it.

According to Wikipedia, it might simply be caused by the trees rubbing against one another, although signs also point to more active causes such as a preventative measure against shading (optimizing light exposure for photosynthesis) or even as a deterrent for the spread of harmful insects.

For you die hard consultation fans: our deeply detailed evaluation of all the objectives and actions in this year's Recreation Management Survey, expressed in the way you were not allowed to in the on-line survey.Enjoy! ... See MoreSee Less